Author: scott Date: To: Philip Hazel CC: exim-users Subject: Re: [Exim] effective use of .forward files
On Thu, 2 Aug 2001, Philip Hazel wrote:
>2. If you have a huge number of these things, you can stick them in a
>file, and do
>
> if ${lookup{$h_from:}lsearch{/the/file}{yes}{no}} is yes then ...
>
>That's a slow linear search, but you could use a fast DBM or cdb lookup
>for better performance.
I don't expect to have a lot of entries, but the above example serves my
purpose well.
